Many studies have shown that attractive people are more successful, and that good looks can make you 3-4 percent more money on average.
Looking good makes people want to interact with you more, which is beneficial in any sales environment. Therefore attractive people are seen as harder workers.
Confidence is also a contributing factor, as good looking people generally have a more positive personality and high self-esteem which makes them even more attractive.
Read the full article here: Attractive People Are Simply More Successful
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